Which of the following drugs to not require a change in their dosage in patients with renal failure_______________?
Correct answer: B. Isoniazid
- A. Rifampicin
- B. Isoniazid
- C. Cefotaxime
- D. Aminoglycoside
Explanation
Isoniazid is mainly metabolized in the liver and usually does not require dosage reduction in renal failure. Cefotaxime and aminoglycosides require renal adjustment, while rifampicin is also primarily hepatically handled but is not the usual single-best answer here.
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